During WWII, handsome young Italian sub commander and his crew torpedo Allied freighters and transport ships for the Axis then rescue the occasional survivor and treat them humanely while seeking a safe place to put them ashore.
| Directing | Duilio Coletti | Director |
| Production | Duilio Coletti | Producer |
| Writing | Marc-Antonio Bragadin | Story |
| Writing | Oreste Biancoli | Screenplay |
| Writing | Marc-Antonio Bragadin | Screenplay |
| Writing | Duilio Coletti | Screenplay |
| Writing | Ennio De Concini | Screenplay |
| Production | Marc-Antonio Bragadin | Production Manager |
| Camera | Leonida Barboni | Director of Photography |
| Camera | Aiace Parolin | Camera Operator |
| Camera | Enrico Cortese | Assistant Camera |
| Directing | Marc-Antonio Bragadin | Co-Director |
| Directing | David Carbonari | First Assistant Director |
| Directing | Vittoria Vigorelli | Script Supervisor |
| Costume & Make-Up | Anacleto Giustini | Makeup Artist |
| Costume & Make-Up | Adimaro Sala | Makeup Artist |
| Production | Antonio Palumbo | Unit Manager |
| Sound | Giulio Panni | Sound |
| Editing | Giuliana Attenni | Editor |
| Sound | Nino Rota | Original Music Composer |